/* =====================================================
   ENEM DE BANDEJA — Landing Page
   Dark · Vibrante · Neon · Jovem
   ===================================================== */

:root {
    --bg: #0B0B12;
    --bg-1: #101019;
    --bg-2: #161622;
    --surface: #181826;
    --surface-2: #20203140;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.16);

    --blue: #4D7CFF;
    --violet: #9B5CFF;
    --lime: #B6FF3D;
    --blue-glow: rgba(77, 124, 255, 0.45);
    --violet-glow: rgba(155, 92, 255, 0.40);
    --lime-glow: rgba(182, 255, 61, 0.35);

    --grad: linear-gradient(110deg, var(--blue) 0%, var(--violet) 100%);
    --grad-lime: linear-gradient(110deg, var(--lime) 0%, #6FE6C0 100%);

    --text: #F4F4FA;
    --text-dim: #A8A8BC;
    --text-mute: #6C6C82;

    --heading: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --sans: 'DM Sans', system-ui, -apple-system, sans-serif;

    --container: 1180px;
    --radius: 16px;
    --radius-lg: 26px;
    --radius-pill: 999px;

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

::selection { background: var(--lime); color: #0A0A0A; }

.grain-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.03;
    background-repeat: repeat;
    background-image: url("images/noise.png");
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Typography helpers ---------- */
h1, h2, h3 {
    font-family: var(--heading);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.grad {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.grad-lime {
    background: var(--grad-lime);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.eyebrow {
    display: inline-block;
    font-family: var(--heading);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--blue);
    margin-bottom: 20px;
    padding: 7px 16px;
    border: 1px solid rgba(77, 124, 255, 0.3);
    border-radius: var(--radius-pill);
    background: rgba(77, 124, 255, 0.07);
}
.eyebrow.lime {
    color: var(--lime);
    border-color: rgba(182, 255, 61, 0.3);
    background: rgba(182, 255, 61, 0.06);
}

.section-heading {
    max-width: 720px;
    margin-bottom: 64px;
}
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-heading h2 {
    font-size: clamp(2rem, 5vw, 3.4rem);
    margin-bottom: 20px;
}

.section-lead {
    color: var(--text-dim);
    font-size: 1.08rem;
    line-height: 1.7;
    max-width: 600px;
}
.section-heading.center .section-lead { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 28px;
    border-radius: var(--radius-pill);
    font-family: var(--heading);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.005em;
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), filter 0.35s var(--ease), border-color 0.35s var(--ease), color 0.35s var(--ease);
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--grad);
    color: #fff;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12) inset, 0 14px 40px -12px var(--violet-glow), 0 6px 20px -8px var(--blue-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    filter: brightness(1.08);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18) inset, 0 22px 55px -10px var(--violet-glow), 0 10px 30px -8px var(--blue-glow);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--line-strong);
    color: var(--text);
}
.btn-outline:hover {
    border-color: var(--lime);
    color: var(--lime);
    transform: translateY(-2px);
}

.btn-sm { padding: 11px 20px; font-size: 13.5px; }
.btn-lg { padding: 18px 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 16px 0;
    background: rgba(11, 11, 18, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.scrolled {
    border-bottom-color: var(--line);
    background: rgba(11, 11, 18, 0.92);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand { display: flex; align-items: center; }
.brand-logo {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: opacity 0.3s var(--ease);
}
.brand:hover .brand-logo { opacity: 0.8; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 130px 0 130px;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    /* Alinha ao topo: o conteudo (com o video) e mais alto que a viewport,
       entao centralizar cortaria o titulo e colidiria com o scroll indicator. */
    align-items: flex-start;
    overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
    animation: blob-float 14s ease-in-out infinite;
}
.hero-blob-1 {
    width: 620px; height: 620px;
    top: -200px; left: 50%;
    transform: translateX(-60%);
    background: radial-gradient(circle, var(--violet) 0%, transparent 65%);
}
.hero-blob-2 {
    width: 520px; height: 520px;
    top: -120px; left: 50%;
    transform: translateX(10%);
    background: radial-gradient(circle, var(--blue) 0%, transparent 65%);
    animation-delay: -5s;
}
@keyframes blob-float {
    0%, 100% { transform: translateX(-60%) translateY(0) scale(1); }
    50% { transform: translateX(-50%) translateY(30px) scale(1.08); }
}
.hero-grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 0%, transparent 75%);
}

.hero-inner { position: relative; z-index: 2; text-align: center; }

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 9px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 32px;
}
.hero-tag .pulse {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 0 0 var(--lime-glow);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 var(--lime-glow); }
    70% { box-shadow: 0 0 0 12px rgba(182, 255, 61, 0); }
    100% { box-shadow: 0 0 0 0 rgba(182, 255, 61, 0); }
}

.hero-title {
    font-size: clamp(2.6rem, 8vw, 6rem);
    margin-bottom: 26px;
    letter-spacing: -0.04em;
    line-height: 0.98;
    font-weight: 700;
}
.hero-title .grad { filter: drop-shadow(0 6px 30px var(--violet-glow)); }

.hero-sub {
    font-size: clamp(1.02rem, 1.6vw, 1.2rem);
    color: var(--text-dim);
    max-width: 660px;
    margin: 0 auto 38px;
    line-height: 1.65;
}
.hero-sub strong { color: var(--text); font-weight: 700; }

.hero-cta { margin-bottom: 60px; }
.hero-cta-note {
    margin-top: 16px;
    font-size: 13.5px;
    color: var(--text-mute);
    font-weight: 500;
}

.hero-video { max-width: 780px; margin: 0 auto; }
.video-frame {
    position: relative;
    aspect-ratio: 16 / 9;
    background:
        radial-gradient(ellipse at center, var(--bg-2) 0%, var(--bg) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--line-strong);
    overflow: hidden;
    display: grid;
    place-items: center;
    box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(155, 92, 255, 0.12);
}
.video-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(77, 124, 255, 0.18) 0%, transparent 60%);
    pointer-events: none;
}
.video-el {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000;
}
.video-frame.is-playing::before { opacity: 0; }
.video-frame.is-playing .video-play,
.video-frame.is-playing .video-meta { opacity: 0; pointer-events: none; }
.video-play {
    position: relative;
    width: 88px; height: 88px;
    border-radius: 50%;
    background: var(--grad);
    color: #fff;
    display: grid;
    place-items: center;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
    box-shadow: 0 20px 50px -12px var(--violet-glow);
    cursor: pointer;
}
.video-play::after {
    content: '';
    position: absolute;
    inset: -7px;
    border: 1px solid var(--blue);
    border-radius: 50%;
    opacity: 0.4;
    animation: ring-pulse 2.5s ease-out infinite;
}
@keyframes ring-pulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.6); opacity: 0; }
}
.video-play:hover { transform: scale(1.07); }
.video-play svg { margin-left: 4px; }
.video-meta {
    position: absolute;
    bottom: 18px; left: 22px; right: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 500;
    transition: opacity 0.3s var(--ease);
    pointer-events: none;
}

.hero-scroll {
    position: absolute;
    bottom: 28px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-mute);
    z-index: 3;
}
.scroll-line {
    width: 1px; height: 40px;
    background: linear-gradient(to bottom, var(--lime), transparent);
    animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.4) translateY(20px); opacity: 0.5; }
}

/* ---------- Countdown ---------- */
.countdown {
    padding: 56px 0;
    background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg) 100%);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    text-align: center;
}
.countdown-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: var(--text-dim);
    margin-bottom: 26px;
    font-weight: 500;
}
.countdown-grid {
    display: inline-flex;
    align-items: flex-start;
    gap: 16px;
}
.countdown-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 96px;
    padding: 18px 10px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.countdown-num {
    font-family: var(--heading);
    font-size: clamp(2.4rem, 6vw, 3.8rem);
    font-weight: 700;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.03em;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.countdown-text {
    margin-top: 10px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--text-mute);
    font-weight: 600;
}
.countdown-sep {
    font-family: var(--heading);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--text-mute);
    align-self: center;
    line-height: 1;
}

/* ---------- Different ---------- */
.different {
    padding: 130px 0;
    background: var(--bg);
}
.different-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
}
.diff-card {
    padding: 36px 30px;
    background: linear-gradient(180deg, var(--surface) 0%, var(--bg-1) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}
.diff-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--grad);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease);
}
.diff-card:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.diff-card:hover::before { transform: scaleX(1); }
.diff-icon {
    width: 54px; height: 54px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(77, 124, 255, 0.2), rgba(155, 92, 255, 0.12));
    border: 1px solid rgba(77, 124, 255, 0.28);
    display: grid;
    place-items: center;
    color: var(--blue);
    margin-bottom: 22px;
}
.diff-icon svg { width: 26px; height: 26px; }
.diff-card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.diff-card p { color: var(--text-dim); font-size: 0.97rem; line-height: 1.6; }

/* ---------- Tracking (individualized) ---------- */
.tracking {
    padding: 130px 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-1) 50%, var(--bg) 100%);
    position: relative;
    overflow: hidden;
}
.tracking-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}
.tracking-text h2 {
    font-size: clamp(2rem, 4.2vw, 3.2rem);
    margin-bottom: 22px;
}
.tracking-lead {
    color: var(--text-dim);
    font-size: 1.08rem;
    line-height: 1.7;
    margin-bottom: 30px;
}
.tracking-list { list-style: none; margin-bottom: 34px; }
.tracking-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 0;
    font-size: 1.02rem;
    color: var(--text);
    line-height: 1.5;
}
.tracking-list svg {
    width: 22px; height: 22px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--lime);
}
.tracking-list strong { color: var(--lime); font-weight: 700; }

/* student panel mock */
.tracking-visual { perspective: 1400px; }
.panel {
    background: linear-gradient(180deg, var(--surface) 0%, #0E0E18 100%);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(77, 124, 255, 0.1);
    transform: rotateY(-9deg) rotateX(4deg);
    transition: transform 0.6s var(--ease);
}
.panel:hover { transform: rotateY(-4deg) rotateX(2deg); }
.panel-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
}
.panel-avatar {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--grad);
    display: grid;
    place-items: center;
    font-family: var(--heading);
    font-weight: 700;
    color: #fff;
}
.panel-id { display: flex; flex-direction: column; flex: 1; }
.panel-name { font-family: var(--heading); font-weight: 600; font-size: 15px; }
.panel-sub { font-size: 12px; color: var(--text-mute); }
.panel-live {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--lime);
    font-weight: 700;
    padding: 5px 10px;
    border: 1px solid rgba(182, 255, 61, 0.3);
    border-radius: var(--radius-pill);
}
.panel-score {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding-bottom: 24px;
    margin-bottom: 22px;
    border-bottom: 1px solid var(--line);
}
.panel-score-num {
    font-family: var(--heading);
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.panel-score-label { font-size: 13px; color: var(--text-dim); }
.panel-bars { display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.panel-bar {
    display: grid;
    grid-template-columns: 96px 1fr 42px;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}
.panel-bar-label { color: var(--text-dim); }
.panel-bar-track {
    height: 8px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.07);
    overflow: hidden;
}
.panel-bar-track i {
    display: block;
    height: 100%;
    width: var(--w);
    border-radius: var(--radius-pill);
    background: var(--grad);
}
.panel-bar-val { text-align: right; font-weight: 700; font-family: var(--heading); color: var(--text); }
.panel-foot { display: flex; gap: 10px; flex-wrap: wrap; }
.panel-chip {
    font-size: 12px;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    background: rgba(77, 124, 255, 0.1);
    border: 1px solid rgba(77, 124, 255, 0.25);
    color: var(--blue);
    font-weight: 500;
}
.panel-chip.ok {
    background: rgba(182, 255, 61, 0.08);
    border-color: rgba(182, 255, 61, 0.25);
    color: var(--lime);
}

/* ---------- Professors ---------- */
.professors {
    padding: 130px 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-1) 100%);
}
.professors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 22px;
}
.prof-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.prof-card:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.prof-photo {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
}
.prof-photo.placeholder {
    display: grid;
    place-items: center;
    color: rgba(255, 255, 255, 0.45);
}
.prof-photo.placeholder svg { width: 58px; height: 58px; }
[data-accent="blue"] .prof-photo {
    background: radial-gradient(circle at 50% 38%, rgba(77, 124, 255, 0.34) 0%, transparent 64%), linear-gradient(140deg, #14182B 0%, var(--bg-1) 100%);
}
[data-accent="violet"] .prof-photo {
    background: radial-gradient(circle at 50% 38%, rgba(155, 92, 255, 0.34) 0%, transparent 64%), linear-gradient(140deg, #1C1430 0%, var(--bg-1) 100%);
}
[data-accent="lime"] .prof-photo {
    background: radial-gradient(circle at 50% 38%, rgba(182, 255, 61, 0.24) 0%, transparent 64%), linear-gradient(140deg, #16201A 0%, var(--bg-1) 100%);
}
.prof-card figcaption { padding: 20px 22px 24px; }
.prof-name { font-size: 1.18rem; margin-bottom: 12px; }
.prof-subject {
    display: inline-block;
    font-family: var(--heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 13px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-pill);
    color: var(--text-dim);
}
[data-accent="blue"] .prof-subject {
    color: var(--blue); border-color: rgba(77, 124, 255, 0.28); background: rgba(77, 124, 255, 0.07);
}
[data-accent="violet"] .prof-subject {
    color: var(--violet); border-color: rgba(155, 92, 255, 0.28); background: rgba(155, 92, 255, 0.07);
}
[data-accent="lime"] .prof-subject {
    color: var(--lime); border-color: rgba(182, 255, 61, 0.28); background: rgba(182, 255, 61, 0.07);
}

/* ---------- Students gallery ---------- */
.students {
    padding: 130px 0;
    background: var(--bg);
}
.events-marquee {
    margin-bottom: 70px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 7%, #000 93%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0%, #000 7%, #000 93%, transparent 100%);
}
.marquee-row { overflow: hidden; }
.marquee-track {
    display: flex;
    gap: 16px;
    width: max-content;
    animation: marquee-scroll 48s linear infinite;
}
.marquee-row.reverse .marquee-track {
    animation-duration: 60s;
    animation-direction: reverse;
}
.events-marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.m-tile {
    position: relative;
    flex: 0 0 auto;
    height: 220px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
}
.m-tile.w-sm { width: 200px; }
.m-tile.w-md { width: 300px; }
.m-tile.w-lg { width: 400px; }

.event-photo { display: block; width: 100%; height: 100%; object-fit: cover; }
.event-photo.placeholder {
    display: grid;
    place-items: center;
    color: rgba(255, 255, 255, 0.5);
}
.event-photo.placeholder svg { width: 44px; height: 44px; }
[data-accent="blue"] .event-photo.placeholder {
    background: radial-gradient(circle at 50% 42%, rgba(77, 124, 255, 0.34) 0%, transparent 64%), linear-gradient(140deg, #14182B 0%, var(--bg-1) 100%);
}
[data-accent="violet"] .event-photo.placeholder {
    background: radial-gradient(circle at 50% 42%, rgba(155, 92, 255, 0.34) 0%, transparent 64%), linear-gradient(140deg, #1C1430 0%, var(--bg-1) 100%);
}
[data-accent="lime"] .event-photo.placeholder {
    background: radial-gradient(circle at 50% 42%, rgba(182, 255, 61, 0.24) 0%, transparent 64%), linear-gradient(140deg, #16201A 0%, var(--bg-1) 100%);
}
.m-tile figcaption {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 40px 16px 13px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.78) 0%, transparent 100%);
    pointer-events: none;
}
.slide-tag {
    font-family: var(--heading);
    font-weight: 600;
    font-size: 14px;
    color: #fff;
}

.students-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
    padding: 48px 30px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
}
.stat { text-align: center; position: relative; }
.stat:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20%; bottom: 20%; right: -14px;
    width: 1px;
    background: var(--line);
}
.stat-num {
    font-family: var(--heading);
    font-size: clamp(2.6rem, 5vw, 3.6rem);
    font-weight: 700;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.stat-plus {
    font-family: var(--heading);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    margin-left: 2px;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.stat-label {
    display: block;
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 500;
}

/* ---------- Proof / testimonials ---------- */
.proof {
    padding: 130px 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-1) 100%);
    border-top: 1px solid var(--line);
}
.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
}
.testimonial {
    padding: 36px 30px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.testimonial:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.testimonial.featured {
    background: linear-gradient(180deg, rgba(155, 92, 255, 0.1) 0%, rgba(77, 124, 255, 0.03) 100%);
    border-color: rgba(155, 92, 255, 0.3);
}
.testimonial-photo {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: var(--grad);
    color: #fff;
    display: grid;
    place-items: center;
    font-family: var(--heading);
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 22px;
}
.testimonial blockquote {
    font-size: 1.04rem;
    line-height: 1.6;
    color: var(--text);
    margin-bottom: 20px;
}
.testimonial cite {
    font-style: normal;
    font-size: 13px;
    color: var(--text-dim);
    font-weight: 600;
    font-family: var(--heading);
}

/* ---------- Live ---------- */
.live { padding: 130px 0; background: var(--bg); }
.live-days {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 48px;
}
.live-day {
    padding: 38px 34px;
    background: linear-gradient(180deg, var(--surface) 0%, var(--bg-1) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}
.live-day::before {
    content: '';
    position: absolute;
    top: 0; left: 0; bottom: 0;
    width: 3px;
    background: var(--grad);
}
.live-day-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}
.live-date { display: flex; align-items: baseline; gap: 10px; }
.live-day-num {
    font-family: var(--heading);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.live-month {
    font-family: var(--heading);
    font-size: 13px;
    letter-spacing: 0.16em;
    color: var(--text-dim);
    font-weight: 600;
}
.live-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 13px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-pill);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--text);
}
.live-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: #FF4D6D;
    animation: pulse-red 1.5s infinite;
}
@keyframes pulse-red {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255, 77, 109, 0.6); }
    50% { opacity: 0.7; box-shadow: 0 0 0 7px rgba(255, 77, 109, 0); }
}
.live-day h3 { font-size: 1.35rem; margin-bottom: 18px; }
.live-program { list-style: none; }
.live-program li {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 13px 0;
    border-top: 1px solid var(--line);
    color: var(--text);
    font-size: 0.96rem;
}
.live-program li:first-child { border-top: none; }
.live-program li span {
    font-family: var(--heading);
    color: var(--lime);
    font-weight: 600;
    font-size: 13px;
    flex-shrink: 0;
    width: 48px;
}
.live-cta { text-align: center; }

/* ---------- Inscrição (form) ---------- */
.inscricao {
    padding: 130px 0;
    position: relative;
    background: var(--bg);
    overflow: hidden;
}
.inscricao-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 60% at 50% 40%, rgba(155, 92, 255, 0.14) 0%, transparent 70%),
        radial-gradient(ellipse 50% 50% at 50% 50%, rgba(77, 124, 255, 0.1) 0%, transparent 70%),
        linear-gradient(180deg, var(--bg-1) 0%, var(--bg) 100%);
    pointer-events: none;
}
.inscricao-inner { position: relative; z-index: 2; }
.form-card {
    max-width: 640px;
    margin: 0 auto;
    padding: 44px;
    background: linear-gradient(180deg, var(--surface) 0%, var(--bg-1) 100%);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-lg);
    box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.7);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 18px;
}
.form-row:has(> label:only-child) { grid-template-columns: 1fr; }
.form-row label { display: flex; flex-direction: column; gap: 8px; }
.form-row label > span {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-family: var(--heading);
}
.form-row input {
    padding: 16px 18px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--text);
    font-size: 15px;
    transition: border-color 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
    width: 100%;
}
.form-row input::placeholder { color: var(--text-mute); }
.form-row input:focus {
    outline: none;
    border-color: var(--blue);
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 0 3px rgba(77, 124, 255, 0.15);
}
.form-row input.invalid {
    border-color: #FF6B7D;
    background: rgba(255, 107, 125, 0.06);
}
.form-disclaimer {
    margin-top: 16px;
    text-align: center;
    font-size: 12px;
    color: var(--text-mute);
}
.form-success {
    max-width: 640px;
    margin: 0 auto;
    padding: 50px 44px;
    background: linear-gradient(180deg, rgba(155, 92, 255, 0.1) 0%, var(--bg-1) 100%);
    border: 1px solid rgba(155, 92, 255, 0.3);
    border-radius: var(--radius-lg);
    text-align: center;
}
.form-success-icon {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: var(--grad-lime);
    color: #0A0A0A;
    display: grid;
    place-items: center;
    margin: 0 auto 24px;
}
.form-success h3 { font-size: 2rem; margin-bottom: 14px; }
.form-success p { color: var(--text-dim); margin-bottom: 30px; font-size: 1.02rem; }
.form-success p strong { color: var(--lime); font-weight: 700; }

/* ---------- Closing ---------- */
.closing {
    padding: 140px 0;
    background: var(--bg);
    text-align: center;
    border-top: 1px solid var(--line);
}
.closing-quote {
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 28px;
    letter-spacing: -0.03em;
}
.closing-sub {
    font-size: 14px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.26em;
    margin-bottom: 38px;
    font-weight: 500;
}

/* ---------- Footer ---------- */
.site-footer {
    padding: 48px 0;
    border-top: 1px solid var(--line);
    background: var(--bg);
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}
.footer-logo {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.5;
}
.footer-legal {
    font-size: 12px;
    color: var(--text-mute);
    text-align: right;
    line-height: 1.6;
}

/* ---------- Reveal animation ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
    .tracking-inner { grid-template-columns: 1fr; gap: 50px; }
    .tracking-visual { max-width: 460px; margin: 0 auto; }
    .panel { transform: none; }
    .live-days { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    body { font-size: 16px; }
    .hero { padding: 130px 0 70px; min-height: auto; }
    .hero-scroll { display: none; }

    .countdown-grid { gap: 8px; }
    .countdown-unit { min-width: 66px; padding: 14px 6px; }
    .countdown-sep { display: none; }

    .different, .tracking, .professors, .students, .proof, .live, .inscricao, .closing { padding: 80px 0; }
    .section-heading { margin-bottom: 44px; }

    .m-tile { height: 150px; }
    .m-tile.w-sm { width: 140px; }
    .m-tile.w-md { width: 210px; }
    .m-tile.w-lg { width: 270px; }
    .slide-tag { font-size: 12.5px; }

    .students-stats { padding: 38px 20px; }
    .stat:not(:last-child)::after { display: none; }

    .form-card, .form-success { padding: 30px 22px; }
    .form-row { grid-template-columns: 1fr; gap: 14px; }
    .live-day { padding: 30px 24px; }

    .footer-inner { flex-direction: column; text-align: center; }
    .footer-legal { text-align: center; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
    .marquee-track { animation: none !important; transform: none !important; }
    .marquee-row { overflow-x: auto; }
}